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4-6. 4-way valve coil (solenoid coil)/4-way valve
Check point 1. Check connection
•
Check the connection of connector P60.
Check Point 2 : Check Solenoid Coil
Remove P60 from PCB and check the resistance value of coil.
Resistance Value ≈ 2.085 Ω
If it is Open or abnormal resistance value, replace Solenoid Coil.
Check Point 3: Check Operation of 4 →ay Valve
Check each piping temperature, and confirm the location of the valve by the temperature difference
Heating Operation
Heating Operation
4-way valve
ON
HOT GAS
SOLENOID COIL
If the valve location is not proper, replace 4-way valve.
Check Point 4: Replace Main PCB
If none of Checks 1 to 3 apply, replace the Main PCB.
4-6. 4-way valve coil (solenoid coil)/4-way valve
SOLENOID COIL
HOT GAS
DC
BLUE
4WV
1 1
RED
3 3
HOT GAS
Cooling Operation
Cooling Operation
4-way valve
OFF
SOLENOID COIL
- (03-40) -
HOT GAS
DC
4. Service parts information
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